import React from "react";
import { useRef, useEffect } from "react";
import * as echarts from "echarts";
export default function Home() {
  // 基于准备好的dom，初始化echarts实例
  const domRef = useRef();
  const chartInit = () => {
    // 基于准备好的dom，初始化echarts实例
    const myChart = echarts.init(domRef.current);
    // 绘制图表
    myChart.setOption({
      title: {
        text: "ECharts 入门示例",
      },
      tooltip: {},
      xAxis: {
        data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"],
      },
      yAxis: {},
      series: [
        {
          name: "销量",
          type: "bar",
          data: [5, 20, 36, 10, 10, 20],
        },
      ],
    });
  };
  // 执行这个初始化的函数
  useEffect(() => {
    chartInit();
  }, []);
  // 绘制图表
  return <div style={{ width: 800, height: 600 }} ref={domRef}></div>;
}
